The Winter solstice is the only one that can been seen from Karnac. The idea that they aligned to a soltice they could not see is absurd. When the Winter solstice is used the value falls right on the Newcomb curve and the other deviationsa are easily within measurement error.
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As I said you refuted yourself.
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This thread is dead. End of story.
Since Karmac is not known enough to be a data point that is useful for dates, you point is dead. End of story.
So, the pattern of divergence from your curve remains clear, and constant, and increasing with time.
As for Karnak, we do not know that it was a winter solstice that was used. Wouldn't that be unusual? Name a few other Egypt sites that used that?
"
A remarkable confirmation of the obliquity in the year 2045 B.C. is given by the oriented solar Temple of Amen Ra at Karnak, Egypt, the largest temple that has ever been built. This is described in Chapter 8. Hieroglyphic inscriptions, engraved in granite, show that the ancient Egyptians took great pains to orient their solar temples. The rays of the rising or setting sun, on certain important dates, then shone straight down the long central avenue, or temple axis, into the darkened sanctuary and illuminated the image of the sun-god within it.
In the great Solar Temple at Karnak, this occurred at sunset on the day of the summer solstice. It will be shown that in 2045 B.C., the foundation date of the Temple, the sun's solstitial declination, or maximum distance from the celestial equator, was 25 degrees, 9 minutes, 55 seconds. This value is in exact agreement with the prolongation of the curve of the ancient observations, and exceeds Newcomb's value for that date by 1 degree 14 minutes."
--a few questions
_ Do we have any evidence that the earliest orientation was winter?
_Do we know that the structure nearby (before the obelisk) did not have a passage for light through it?
_ If the axis was actually changed as I believe, as a result of the nature change (split) then do we know the earliest temple was before or after this time? If before, for example, one cannot use how it now works as an indication of how it did.
By the way. Looking at the divergance in the data curve, it just isn't a 'straight line'!!! Nice try.
Seems to me your whole thin hope rests on Karnak, and forcing a winter solstice in a same state there. Well, let's see a little more evidence first.
The line already goes crazy far away from your curve anyhow, so it doesn't matter that way. But you made Karmak claims, so let's see the goods.